fun main(args: Array<String>){
    var person1 = Man(name = "金三胖")
    var person2 = Woman(name = "慈禧")
    var person3 = Man(name = "小花花")
    var person4 = Woman(name = "小丽")
    var person5 = Man(name = "贝克汉姆")

    // 请这些人到集合里面（房间）
    var houseList = listOf<Human>(person1,person2,person3,person4,person5)
    for (h in houseList){
        h.pee()
    }
}